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Neal, Mechanic

Category: Car

Satisfied Customers: 8351

Experience: Auto repair pro and Mechanic on multiple makes.

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Oldsmobile Bravada: service light..Only have drive in the right rear.

Resolved Question:

200l Oldsmobile Bravada: all wheel drive service light is on, and the all wheel drive is not working. Only have drive in the right rear. Please let me know what potential repairs I can expect, and the worst situation. I bought the SUV for my Grandson, he is home from college for the holidays.

Only one rear wheel drives at any given time due to the type of differential in the vehicle. The will go to one wheel or the other as needed. If the vehicle was operated while it was suspended in the air it could have caused the light to come on. It could also be as simple as a bad sensor which is the most likely cause.

The only way to know for sure is to have it inspected by a shop or dealer and have the codes checked.

I think it will likely just be a sensor as this is most common cause.

Sorry I can't tell you for sure but it will have to be inspected in person.